EP1221559A2 - Braking and damping device, in particular for moving furniture parts - Google Patents

Braking and damping device, in particular for moving furniture parts Download PDF

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Publication number
EP1221559A2
EP1221559A2 EP01129927A EP01129927A EP1221559A2 EP 1221559 A2 EP1221559 A2 EP 1221559A2 EP 01129927 A EP01129927 A EP 01129927A EP 01129927 A EP01129927 A EP 01129927A EP 1221559 A2 EP1221559 A2 EP 1221559A2
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EP
European Patent Office
Prior art keywords
piston
braking
damping device
pistons
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01129927A
Other languages
German (de)
French (fr)
Other versions
EP1221559A3 (en
EP1221559B1 (en
Inventor
Helmut Fitz
Klaus Brüstle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Julius Blum GmbH
Original Assignee
Julius Blum GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT0001401U external-priority patent/AT4912U1/en
Application filed by Julius Blum GmbH filed Critical Julius Blum GmbH
Priority to DE20122569U priority Critical patent/DE20122569U1/en
Publication of EP1221559A2 publication Critical patent/EP1221559A2/en
Publication of EP1221559A3 publication Critical patent/EP1221559A3/en
Application granted granted Critical
Publication of EP1221559B1 publication Critical patent/EP1221559B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/0209—Telescopic
    • F16F9/0218—Mono-tubular units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/0209—Telescopic
    • F16F9/0227—Telescopic characterised by the piston construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • F16F9/3214—Constructional features of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
    • F16F9/3465—Slots having a variable section along their length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/21—Brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/21—Brakes
    • E05Y2201/212—Buffers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/252—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E05Y2201/256—Fluid or viscous friction with pistons or vanes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/262—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion
    • E05Y2201/264—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion linear
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/47—Springs; Spring tensioners
    • E05Y2201/474—Compression springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets

Definitions

  • the invention relates to a braking and damping device, in particular for Movable furniture parts with a fluid cylinder in which two pistons are linear are arranged displaceably, a piston being displaceable via a piston rod is.
  • Braking and damping devices are becoming increasingly common in modern furniture are used to prevent the furniture door from slamming too hard or a with too much force in the drawer on the cabinet front wall strikes.
  • the oldest damping devices were made of simple rubber buffers educated. In recent times, pneumatic and hydraulic braking and Damping devices for use.
  • drawers In the case of drawers, they are preferably combined with a feed device. In many cases, hinges with one are also used for doors or flaps Locking mechanism provided that together with the damper for one ensure optimal movement.
  • the object of the invention is a pneumatic or hydraulic brake and To create damping device of the type mentioned, in which a better Sealing between the piston and the cylinder wall is achieved and also springback when braking due to the air cushion created in the cylinder or Fluid cushion is avoided.
  • the object of the invention is achieved in that between the two Piston an elastically deformable sealing body is arranged between the both pistons deformed by crushing during damping and against the cylinder wall is pressed.
  • the piston which is linear via a piston rod is displaceable, has a cavity open at the end into which the second piston is used, the second piston being freely displaceably mounted in the first piston and has an annular projection on the outer casing, which is in front of the first piston is located, and between the ring projection and the end face of the first piston is designed as a sealing ring sealing body.
  • stops in the cavity of the first piston are provided, which limit the displacement of the second piston.
  • An embodiment of the invention provides that between the bottom of the Cavity of the first piston and the back of the second piston at least an elastic spacer is provided.
  • Another embodiment of the invention provides that the sealing body as cylindrical solid body made of a rubber-elastic material or as cylindrical bellows is executed.
  • the cylinder shape is in the unloaded state given.
  • the sealing body is compressed and deformed under load.
  • the braking and damping device has a cylinder 1, in which a piston 2 is arranged linearly displaceable.
  • the piston 2 is with a Provide piston rod 3.
  • the piston rod 3 forms a plunger, which is preferably is acted upon by the movable furniture part.
  • cylinder 1 is on attached to a furniture side wall or to the top or bottom of a piece of furniture, and in such a way that a closed door or the panel of a closed Drawer abuts head 4 of piston rod 3.
  • the piston 2 has an end face provided open cavity 10 into which a second piston 5 is inserted.
  • the first piston 2 has an annular projection 8 inside, which acts as a stop for the Limitation of travel of the second piston 5 is used.
  • the stop at the relative Backward movement of the piston 5 is from the bottom 11 of the cavity 10 in the piston 2 formed.
  • the piston 5 is also provided with an annular projection 16, the one Counter stop forms and in the foremost position of the piston 5 with respect to the Piston 2 rests on ring projection 8.
  • the piston 5 is made, for example, of a plastic and on the back
  • the piston 5 is formed on at least one spacer 20, which is in at least a recess 21 in the bottom 11 of the cavity 10 in the piston 2.
  • the end face 9 of the first piston 2 is formed obliquely and extends from the center the piston 2, 5 seen obliquely to the cylinder wall 7 to the rear.
  • the standby position of the braking and damping device according to the invention is shown in 1.
  • the pistons 2, 5 are located at the upper end of the cylinder 1.
  • the piston 5 is spaced from the spacer 20 from the bottom 11 of the cavity 10 held and the sealing body designed as a sealing ring 6 lies with a certain play between the end face 9 of the piston 2 and an annular projection 22nd of the piston 5. Strikes a furniture door or a drawer panel on the head 4 of the Piston rod 3 on, the pistons 2, 5 are pushed down in the cylinder 1 and the spacer 20 is depressed, as can be seen from FIG. 2.
  • the sealing ring 6 is squeezed, deformed in cross section and against the inner wall 7 of cylinder 1 pressed.
  • the cylinder wall 7 is provided with grooves 15 extending in the axial direction, which the Allow air to pass when the piston 2 is in the foremost position located.
  • the pistons 2, 5 are pressed apart again by the spacer 20 (see Fig. 4).
  • the piston 5 is with an apron 19 made of a rubber-like or elastomeric Provide material that preferably grazes on the inner wall 7 of the cylinder 2.
  • the cylinder 1 has 2 air inlet openings 23 and at the rear of the piston the front of a check valve 12 with a passage opening 13.
  • the air can only pass slowly through the relatively small opening 13 escape.
  • the second piston 5 also has an end face provided open cavity 25.
  • the elastically deformable Sealing body formed by a solid body 18 made of rubber-elastic material.
  • This solid body 18 has projections 27 with which it in recesses 26 in Piston 2 is anchored.
  • the piston 2 is provided with a seal 30 which bears against the cylinder wall 7. This increases the fluid resistance in cylinder 1.
  • the bellows 17 has angled edges 28 with which it is in slots 29 of the piston 2, 5 is anchored.
  • a hydraulic fluid can accumulate in the cavity 32 enclosed by the bellows 17 for example in oil.
  • the bellows 17 is provided on its outside with annular ribs 24 which Improve the adhesion of the bellows 17 to the cylinder wall 7.
  • the damper according to the invention is preferably a pneumatic damper, for example as an air damper, but it could also be a hydraulic one Dampers are used.

Abstract

An elastically deformable sealing ring (6) is interposed between front face of piston (2) and annular projection of piston (5), both pistons being arranged in linearly displaceable manner. The sealing ring is squeezed and pressed against the inner wall of cylinder (1) in which the pistons move when movable piece of furniture is operated.

Description

Die Erfindung bezieht sich auf eine Brems- und Dämpfeinrichtung, insbesondere für bewegbare Möbelteile mit einem Fluid-Zylinder, in dem zwei Kolben linear verschiebbar angeordnet sind, wobei ein Kolben über eine Kolbenstange verschiebbar ist.The invention relates to a braking and damping device, in particular for Movable furniture parts with a fluid cylinder in which two pistons are linear are arranged displaceably, a piston being displaceable via a piston rod is.

Bei modernen Möbeln kommen in vermehrtem Maße Brems- und Dämpfeinrichtungen zum Einsatz, die verhindern, daß eine zu kräftig zugeschlagene Möbeltüre oder eine mit zuviel Kraft in den Möbelkorpus eingeschobene Schublade an der Korpusstirnwand anschlägt. Die ältesten Dämpfeinrichtungen wurden von einfachen Gummipuffern gebildet. In neuerer Zeit kommen pneumatische und hydraulische Brems- und Dämpfeinrichtungen zum Einsatz.Braking and damping devices are becoming increasingly common in modern furniture are used to prevent the furniture door from slamming too hard or a with too much force in the drawer on the cabinet front wall strikes. The oldest damping devices were made of simple rubber buffers educated. In recent times, pneumatic and hydraulic braking and Damping devices for use.

Bei Schubladen werden sie vorzugsweise mit einer Einzugsvorrichtung kombiniert. Auch bei Türen oder Klappen sind in vielen Fällen Scharniere mit einem Schließmechanismus vorgesehen, die zusammen mit dem Dämpfer für einen optimalen Bewegungsablauf sorgen.In the case of drawers, they are preferably combined with a feed device. In many cases, hinges with one are also used for doors or flaps Locking mechanism provided that together with the damper for one ensure optimal movement.

Bei Fluiddämpfern, das heißt pneumatischen oder hydraulischen Dämpfern mit einem linearverfahrbaren Kolben hat es sich gezeigt, daß im Falle hoher Geschwindigkeiten oder großen Massen die Dämpfwirkung des Fluids nicht ausreicht, um den bewegten Möbelteil ausreichend abzubremsen.For fluid dampers, i.e. pneumatic or hydraulic dampers with one linearly movable pistons, it has been shown that in the case of high speeds or large masses, the damping effect of the fluid is insufficient to move the fluid Braking the furniture part sufficiently.

In der US-PS 4877226 wurde daher ein Fluiddämpfer mit linearverfahrbaren Kolben vorgeschlagen, dem sich der Kolben während des Dämpfungsvorgangs radial ausdehnt und an die Zylinderwand gedrückt wird, sodaß zusätzlich zur Dämpfung durch das Fluid eine Reibungsdämpfung zwischen Zylinder und Kolben auftritt.In US-PS 4877226, therefore, a fluid damper with linearly movable pistons proposed that the piston radially during the damping process expands and is pressed against the cylinder wall, so that in addition to damping due to the fluid friction damping between the cylinder and piston occurs.

Aufgabe der Erfindung ist es, eine pneumatische oder hydraulische Brems- und Dämpfeinrichtung der eingangs erwähnten Art zu schaffen, bei der eine bessere Abdichtung zwischen dem Kolben und der Zylinderwand erreicht wird und wobei auch eine Rückfederung beim Bremsen durch den im Zylinder entstehenden Luftpolster bzw. Fluidpolster vermieden wird. The object of the invention is a pneumatic or hydraulic brake and To create damping device of the type mentioned, in which a better Sealing between the piston and the cylinder wall is achieved and also springback when braking due to the air cushion created in the cylinder or Fluid cushion is avoided.

Die erfindungsgemäße Aufgabe wird dadurch gelöst, daß zwischen den beiden Kolben ein elastisch verformbarer Dichtungskörper angeordnet ist, der zwischen den beiden Kolben bei der Dämpfung durch Quetschung verformt und an die Zylinderwand gedrückt wird.The object of the invention is achieved in that between the two Piston an elastically deformable sealing body is arranged between the both pistons deformed by crushing during damping and against the cylinder wall is pressed.

Vorteilhaft ist vorgesehen, daß der Kolben, der über eine Kolbenstange linear verschiebbar ist, einen stirnseitig offenen Hohlraum aufweist, in den der zweite Kolben eingesetzt ist, wobei der zweite Kolben im ersten Kolben frei verschiebbar gelagert ist und am äußeren Mantel einen Ringvorsprung aufweist, der sich vor dem ersten Kolben befindet, und zwischen dem Ringvorsprung und der Stirnfläche des ersten Kolbens der als Dichtring ausgebildete Dichtungskörper angeordnet ist.It is advantageously provided that the piston, which is linear via a piston rod is displaceable, has a cavity open at the end into which the second piston is used, the second piston being freely displaceably mounted in the first piston and has an annular projection on the outer casing, which is in front of the first piston is located, and between the ring projection and the end face of the first piston is designed as a sealing ring sealing body.

Vorteilhaft ist weiters vorgesehen, daß im Hohlraum des ersten Kolbens Anschläge vorgesehen sind, die den Verschiebeweg des zweiten Kolbens begrenzen.It is also advantageously provided that stops in the cavity of the first piston are provided, which limit the displacement of the second piston.

Ein Ausführungsbeispiel der Erfindung sieht vor, daß zwischen dem Boden des Hohlraumes des ersten Kolbens und der Rückseite des zweiten Kolbens mindestens ein elastischer Abstandhalter vorgesehen ist.An embodiment of the invention provides that between the bottom of the Cavity of the first piston and the back of the second piston at least an elastic spacer is provided.

Ein weiteres Ausführungsbeispiel der Erfindung sieht vor, daß der Dichtungskörper als aus einem gummielastischen Material gefertigter zylindrischer Vollkörper oder als zylindrischer Balg ausgeführt ist. Die Zylinderform ist dabei im unbelasteten Zustand gegeben. Unter Belastung wird der Dichtungskörper zusammengedrückt und verformt.Another embodiment of the invention provides that the sealing body as cylindrical solid body made of a rubber-elastic material or as cylindrical bellows is executed. The cylinder shape is in the unloaded state given. The sealing body is compressed and deformed under load.

Nachfolgend werden verschiedene Ausführungsbeispiele der Erfindung anhand der Figuren der beiliegenden Zeichnungen beschrieben.

  • Die Fig. 1 zeigt einen Längsschnitt durch den Kolben und die Zylinder einer erfindungsgemäßen Brems- und Dämpfeinrichtung in der Bereitschaftsstellung,
  • die Fig. 2 und die Fig. 3 zeigt je einen Längsschnitt durch die Kolben und den Zylinder der Fig. 1, wobei die Kolben während des Bremsweges gezeigt sind, und
  • die Fig. 4 zeigt einen Längsschnitt durch die Kolben und den Zylinder, wobei die Kolben am Ende des Bremsweges gezeigt sind,
  • Fig. 5 zeigt einen Längsschnitt durch die Kolben und den Zylinder, wobei die Kolben in der Rückholphase gezeigt sind,
  • die Fig. 6 zeigt einen Längsschnitt durch einen Zylinderkolbeneinheit gemäß einem weiteren Ausführungsbeispiel der Erfindung,
  • die Fig. 7 zeigt den Abschnitt A der Fig. 6, wobei der Kolben in der Dämpfstellung gezeigt ist,
  • die Fig. 8 zeigt den Abschnitt A der Fig. 6, wobei ein weiteres Ausführungsbeispiel eines Kolbens in der Dämpfstellung gezeigt ist,
  • die Fig. 9 zeigt den selben Ausschnitt wie Fig. 7, wobei der Kolben in der Bereitschaftsoder Rückholstellung gezeigt wird, und
  • die Fig. 10 zeigt den selben Ausschnitt wie die Fig. 8, wobei der Kolben wiederum in der Bereitschafts- oder Rückholstellung gezeigt wird.
    • Various exemplary embodiments of the invention are described below with reference to the figures in the accompanying drawings.
  • 1 shows a longitudinal section through the piston and the cylinder of a braking and damping device according to the invention in the ready position,
  • 2 and 3 each show a longitudinal section through the pistons and the cylinder of FIG. 1, the pistons being shown during the braking distance, and
  • 4 shows a longitudinal section through the pistons and the cylinder, the pistons being shown at the end of the braking distance,
  • 5 shows a longitudinal section through the pistons and the cylinder, the pistons being shown in the return phase,
  • 6 shows a longitudinal section through a cylinder piston unit according to a further exemplary embodiment of the invention,
  • FIG. 7 shows section A of FIG. 6, the piston being shown in the damping position,
  • FIG. 8 shows section A of FIG. 6, a further exemplary embodiment of a piston being shown in the damping position,
  • FIG. 9 shows the same detail as FIG. 7, the piston being shown in the ready or return position, and
  • FIG. 10 shows the same detail as FIG. 8, the piston again being shown in the ready or return position.

    • Die erfindungsgemäße Brems- und Dämpfeinrichtung weist einen Zylinder 1 auf, in dem ein Kolben 2 linear verschiebbar angeordnet ist. Der Kolben 2 ist dabei mit einer Kolbenstange 3 versehen. Die Kolbenstange 3 bildet einen Stößel, der vorzugsweise vom bewegbaren Möbelteil beaufschlagt wird. Beispielsweise ist der Zylinder 1 an einer Möbelseitenwand oder am Ober- oder Unterboden eines Möbels befestigt, und zwar derart, daß eine geschlossene Türe oder die Blende einer geschlossenen Schublade am Kopf 4 der Kolbenstange 3 anstößt.The braking and damping device according to the invention has a cylinder 1, in which a piston 2 is arranged linearly displaceable. The piston 2 is with a Provide piston rod 3. The piston rod 3 forms a plunger, which is preferably is acted upon by the movable furniture part. For example, cylinder 1 is on attached to a furniture side wall or to the top or bottom of a piece of furniture, and in such a way that a closed door or the panel of a closed Drawer abuts head 4 of piston rod 3.

    Im Ausführungsbeispiel nach den Fig. 1 bis 5 ist der Kolben 2 mit einem stirnseitig offenen Hohlraum 10 versehen, in den ein zweiter Kolben 5 eingesetzt ist.In the exemplary embodiment according to FIGS. 1 to 5, the piston 2 has an end face provided open cavity 10 into which a second piston 5 is inserted.

    Der erste Kolben 2 weist innen einen Ringvorsprung 8 auf, der als Anschlag für die Wegbegrenzung des zweiten Kolbens 5 dient. Der Anschlag bei der relativen Rückwärtsbewegung des Kolbens 5 wird vom Boden 11 des Hohlraumes 10 im Kolben 2 gebildet.The first piston 2 has an annular projection 8 inside, which acts as a stop for the Limitation of travel of the second piston 5 is used. The stop at the relative Backward movement of the piston 5 is from the bottom 11 of the cavity 10 in the piston 2 formed.

    Der Kolben 5 ist ebenso mit einem Ringvorsprung 16 versehen, der einen Gegenanschlag bildet und in der vordersten Stellung des Kolbens 5 in bezug auf den Kolben 2 am Ringvorsprung 8 anliegt.The piston 5 is also provided with an annular projection 16, the one Counter stop forms and in the foremost position of the piston 5 with respect to the Piston 2 rests on ring projection 8.

    Der Kolben 5 ist beispielsweise aus einem Kunststoff gefertigt und an der Rückseite des Kolbens 5 ist mindestens ein Abstandhalter 20 angeformt, der sich in mindestens einer Aussparung 21 im Boden 11 des Hohlraumes 10 im Kolben 2 abstützt. The piston 5 is made, for example, of a plastic and on the back The piston 5 is formed on at least one spacer 20, which is in at least a recess 21 in the bottom 11 of the cavity 10 in the piston 2.

    Die Stirnfläche 9 des ersten Kolbens 2 ist schräg ausgebildet und verläuft von der Mitte der Kolben 2, 5 gesehen zur Zylinderwand 7 schräg nach hinten.The end face 9 of the first piston 2 is formed obliquely and extends from the center the piston 2, 5 seen obliquely to the cylinder wall 7 to the rear.

    Die Bereitschaftsstellung der erfindungsgemäßen Brems- und Dämpfeinrichtung ist in der Fig. 1 gezeigt. Die Kolben 2, 5 befinden sich am oberen Ende des Zylinders 1.The standby position of the braking and damping device according to the invention is shown in 1. The pistons 2, 5 are located at the upper end of the cylinder 1.

    Die Bezeichnung "oben" bezieht sich hier auf die Figuren der Zeichnungen.The term "above" here refers to the figures in the drawings.

    Der Kolben 5 wird vom Abstandhalter 20 im Abstand vom Boden 11 des Hohlraumes 10 gehalten und der als Dichtring 6 ausgebildete Dichtungskörper liegt mit einem gewissen Spiel zwischen der Stirnfläche 9 des Kolbens 2 und einen Ringvorsprung 22 des Kolbens 5. Schlägt eine Möbeltüre oder eine Schubladenblende am Kopf 4 der Kolbenstange 3 an, werden die Kolben 2, 5 im Zylinder 1 nach unten geschoben und der Abstandhalter 20 wird, wie aus der Fig. 2 ersichtlich, niedergedrückt.The piston 5 is spaced from the spacer 20 from the bottom 11 of the cavity 10 held and the sealing body designed as a sealing ring 6 lies with a certain play between the end face 9 of the piston 2 and an annular projection 22nd of the piston 5. Strikes a furniture door or a drawer panel on the head 4 of the Piston rod 3 on, the pistons 2, 5 are pushed down in the cylinder 1 and the spacer 20 is depressed, as can be seen from FIG. 2.

    Dabei wird der Dichtring 6 gequetscht, im Querschnitt verformt und an die Innenwand 7 des Zylinders 1 gedrückt.The sealing ring 6 is squeezed, deformed in cross section and against the inner wall 7 of cylinder 1 pressed.

    Die Zylinderwand 7 ist mit in axialer Richtung verlaufenden Rillen 15 versehen, die den Durchtritt von Luft ermöglichen, wenn sich der Kolben 2 in der vordersten Stellung befindet.The cylinder wall 7 is provided with grooves 15 extending in the axial direction, which the Allow air to pass when the piston 2 is in the foremost position located.

    Dabei werden die Kolben 2, 5 vom Abstandhalter 20 wieder auseinander gedrückt (siehe Fig. 4).The pistons 2, 5 are pressed apart again by the spacer 20 (see Fig. 4).

    Der Kolben 5 ist mit einer Schürze 19 aus einem gummiartigen oder elastomeren Material versehen, der vorzugsweise an der Innenwand 7 des Zylinders 2 streift.The piston 5 is with an apron 19 made of a rubber-like or elastomeric Provide material that preferably grazes on the inner wall 7 of the cylinder 2.

    Der Zylinder 1 weist an der Rückseite des Kolbens 2 Lufteintrittsöffnungen 23 und an der Vorderseite ein Rückschlagventil 12 mit einer Durchlaßöffnung 13 auf.The cylinder 1 has 2 air inlet openings 23 and at the rear of the piston the front of a check valve 12 with a passage opening 13.

    Während der Dämpfung kann die Luft nur langsam durch die relativ kleine Öffnung 13 entweichen. During the damping, the air can only pass slowly through the relatively small opening 13 escape.

    Werden die Kolben 2, 5 von der Feder 14 zurückgezogen, d.h. wieder in die Bereitschaftsstellung gebracht, so öffnet sich das Rückschlagventil 12 und Luft oder ein anderes Fluid kann ungehindert in den Zylinder 1 einströmen.Are the pistons 2, 5 retracted by the spring 14, i.e. back into the Bring ready position, the check valve 12 and air or opens another fluid can flow freely into the cylinder 1.

    Im gezeigten Ausführungsbeispiel ist auch der zweite Kolben 5 mit einem stirnseitig offenen Hohlraum 25 versehen.In the exemplary embodiment shown, the second piston 5 also has an end face provided open cavity 25.

    In den Ausführungsbeispielen nach den Fig. 6 bis 10 ist zwischen den Kolben 2, 5 wiederum ein elastisch verformbarer Dichtungskörper angeordnet.6 to 10 there is between the pistons 2, 5 in turn an elastically deformable sealing body is arranged.

    Im Ausführungsbeispiel nach den Fig. 7 und 9 wird der elastisch verformbare Dichtungskörper von einem Vollkörper 18 aus gummielastischem Material gebildet. Dieser Vollkörper 18 weist Vorsprünge 27 auf, mit denen er in Aussparungen 26 im Kolben 2 verankert ist.7 and 9, the elastically deformable Sealing body formed by a solid body 18 made of rubber-elastic material. This solid body 18 has projections 27 with which it in recesses 26 in Piston 2 is anchored.

    Während des Dämpfungsvorgangs, d.h. wenn der Kolben 2 über die Kolbenstange 3 in den Zylinder 1 hineingedrückt wird, wird der Vollkörper 18, wie in der Fig. 7 gezeigt, zwischen dem Kolben 2 und dem Kolben 5 zusammengedrückt und an die Zylinderwand 7 gepreßt, wodurch zusätzlich zur Dämpfung durch das Fluid eine Dämpfung durch Reibung erfolgt.During the damping process, i.e. if the piston 2 via the piston rod 3 in the cylinder 1 is pushed in, the solid 18, as shown in FIG. 7, compressed between the piston 2 and the piston 5 and to the Cylinder wall 7 pressed, which in addition to damping by the fluid Damping is done by friction.

    Der Kolben 2 ist mit einer Dichtung 30 versehen, die an der Zylinderwand 7 anliegt. Dadurch wird der Fluidwiderstand im Zylinder 1 vergrößert.The piston 2 is provided with a seal 30 which bears against the cylinder wall 7. This increases the fluid resistance in cylinder 1.

    Im Ausführungsbeispiel nach den Fig. 8 und 10 ist anstelle eines Vollkörpers 18 ein Balg 17 vorgesehen.In the exemplary embodiment according to FIGS. 8 and 10, 18 is instead of a solid body Bellows 17 provided.

    Der Balg 17 weist abgewinkelte Ränder 28 auf, mit denen er in Schlitzen 29 der Kolben 2, 5 verankert ist.The bellows 17 has angled edges 28 with which it is in slots 29 of the piston 2, 5 is anchored.

    Im Ausführungsbeispiel nach den Fig. 6, 8 und 10 ist zwischen den Kolben 2, 5 eine Schraubendruckfeder 31 vorgesehen, die die Kolben 2, 5 nach erfolgter Dämpfung wieder auseinanderdrückt. In the embodiment according to FIGS. 6, 8 and 10 there is a between the pistons 2, 5 Helical compression spring 31 is provided, which the pistons 2, 5 after damping pushes apart again.

    Im vom Balg 17 umschlossenen Hohlraum 32 kann sich eine Hydraulikflüssigkeit beispielsweise in Öl befinden.A hydraulic fluid can accumulate in the cavity 32 enclosed by the bellows 17 for example in oil.

    Der Balg 17 ist an seiner Außenseite mit ringförmigen Rippen 24 versehen, die die Haftung des Balges 17 an der Zylinderwand 7 verbessern.The bellows 17 is provided on its outside with annular ribs 24 which Improve the adhesion of the bellows 17 to the cylinder wall 7.

    Während des Dämpfungsvorgangs werden die Kolben 2, 5 wie in der Fig. 10 gezeigt zusammengedrückt und der Balg 17 wird verstärkt an die Zylinderwand 7 gepreßt, wodurch wiederum der Effekt der zusätzlichen Dämpfung durch Reibung hervorgerufen wird.During the damping process, the pistons 2, 5 become as shown in FIG. 10 compressed and the bellows 17 is increasingly pressed against the cylinder wall 7, which in turn has the effect of additional damping due to friction becomes.

    Der erfindungsgemäße Dämpfer ist vorzugsweise als pneumatischer Dämpfer, beispielsweise als Luftdämpfer ausgeführt, er könnte jedoch auch als hydraulischer Dämpfer zum Einsatz kommen.The damper according to the invention is preferably a pneumatic damper, for example as an air damper, but it could also be a hydraulic one Dampers are used.

    Claims (19)

    Brems- und Dämpfeinrichtung, insbesondere für bewegbare Möbelteile mit einem Fluid-Zylinder, in dem zwei Kolben linear verschiebbar angeordnet sind, wobei ein Kolben über eine Kolbenstange verschiebbar ist, dadurch gekennzeichnet, daß zwischen den beiden Kolben ein elastisch verformbarer Dichtungskörper angeordnet ist, der zwischen den beiden Kolben (2, 5) bei der Dämpfung durch Quetschung verformt und an die Zylinderwand (7) gedrückt wird.Braking and damping device, in particular for movable furniture parts with a fluid cylinder, in which two pistons are arranged so as to be linearly displaceable, one piston being displaceable via a piston rod, characterized in that an elastically deformable sealing body is arranged between the two pistons, the between the two pistons (2, 5) are deformed in the damping by crushing and pressed against the cylinder wall (7). Brems- und Dämpfeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Kolben, der über eine Kolbenstange linear verschiebbar ist, einen stirnseitig offenen Hohlraum aufweist, in den der zweite Kolben eingesetzt ist, wobei der zweite Kolben (5) im ersten Kolben (2) frei verschiebbar gelagert ist und am äußeren Mantel einen Ringvorsprung (22) aufweist, der sich vor dem ersten Kolben (2) befindet, und zwischen dem Ringvorsprung (22) und der Stirnfläche (9) des ersten Kolbens (2) der als Dichtring (6) ausgebildete Dichtungskörper angeordnet ist.Braking and damping device according to claim 1, characterized in that the piston, which is linearly displaceable via a piston rod, has a cavity open on the end face, into which the second piston is inserted, the second piston (5) in the first piston (2) is freely displaceable and has an annular projection (22) on the outer jacket, which is located in front of the first piston (2), and between the annular projection (22) and the end face (9) of the first piston (2), which acts as a sealing ring (6 ) trained sealing body is arranged. Brems- und Dämpfeinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Stirnfläche (9) des ersten Kolbens (2) vom zweiten Kolben (5) zur Zylinderwand (7) des Zylinders (1) nach hinten geneigt ist.Braking and damping device according to claim 2, characterized in that the end face (9) of the first piston (2) from the second piston (5) to the cylinder wall (7) of the cylinder (1) is inclined to the rear. Brems- und Dämpfeinrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß im Hohlraum (10) des ersten Kolbens (2) Anschläge vorgesehen sind, die den Verschiebeweg des zweiten Kolbens (5) begrenzen.Braking and damping device according to claim 2 or 3, characterized in that in the cavity (10) of the first piston (2) stops are provided which limit the displacement of the second piston (5). Brems- und Dämpfeinrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß der zweite Kolben (5) mit einer ringförmigen Schürze (19) versehen ist.Braking and damping device according to one of claims 2 to 4, characterized in that the second piston (5) is provided with an annular skirt (19). Brems- und Dämpfeinrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Schürze (19) aus einem gummielastischen Material gefertigt ist. Braking and damping device according to claim 5, characterized in that the apron (19) is made of a rubber-elastic material. Brems- und Dämpfeinrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Schürze (19) an der Zylinderwand (7) des Zylinders (1) streift.Braking and damping device according to claim 5 or 6, characterized in that the apron (19) grazes on the cylinder wall (7) of the cylinder (1). Brems- und Dämpfeinrichtung nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, daß zwischen dem Boden (11) des Hohlraumes (10) des ersten Kolbens (2) und der Rückseite des zweiten Kolbens (5) mindestens ein elastischer Abstandhalter (20) vorgesehen ist.Braking and damping device according to one of Claims 2 to 7, characterized in that at least one elastic spacer (20) is provided between the bottom (11) of the cavity (10) of the first piston (2) and the rear of the second piston (5) is. Brems- und Dämpfeinrichtung nach Anspruch 8, dadurch gekennzeichnet, daß der zweite Kolben (5) aus Kunststoff gefertigt und der mindestens eine Abstandhalter (20) an der Rückseite des zweiten Kolbens (5) angeformt ist.Braking and damping device according to claim 8, characterized in that the second piston (5) is made of plastic and the at least one spacer (20) is integrally formed on the rear of the second piston (5). Brems- und Dämpfeinrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß im Boden (11) des Hohlraumes (10) des ersten Kolbens (2) mindestens eine Aussparung (21) für den mindestens einen Abstandhalter (20) vorgesehen ist.Braking and damping device according to claim 8 or 9, characterized in that in the bottom (11) of the cavity (10) of the first piston (2) at least one recess (21) is provided for the at least one spacer (20). Brems- und Dämpfeinrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß an der Zylinderwand (7) in axialer Richtung verlaufende Rillen (15) vorgesehen sind, die den Durchtritt des pneumatischen Mediums, beispielsweise der Luft, gestatten, wenn sich die Kolben (2, 5) in ihrer vorderen Endstellung befinden.Braking and damping device according to one of claims 1 to 10, characterized in that grooves (15) are provided on the cylinder wall (7) which extend in the axial direction and allow the passage of the pneumatic medium, for example the air, when the pistons (2, 5) are in their front end position. Brems- und Dämpfeinrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der dem Kolben (2) mit Kolbenstange (3) gegenüberliegende Kolben (5) mit einer Dichtung versehen ist, die mit der Zylinderwand (7) des Zylinders (1) abdichtet.Braking and damping device according to one of claims 1 to 11, characterized in that the piston (5) opposite the piston (2) with piston rod (3) is provided with a seal which is in contact with the cylinder wall (7) of the cylinder (1) seals. Brems- und Dämpfeinrichtung nach Anspruch 1 oder 12, dadurch gekennzeichnet, daß der Dichtungskörper als Vollkörper (18) aus einem gummielastischen Material gefertigt ist, der die beiden Kolben (2, 5) verbindet.Braking and damping device according to claim 1 or 12, characterized in that the sealing body as a solid body (18) is made of a rubber-elastic material which connects the two pistons (2, 5). Brems- und Dämpfeinrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der elastisch verformbare Dichtungskörper als zylindrischer Balg (17) ausgeführt ist. Braking and damping device according to one of claims 1 to 13, characterized in that the elastically deformable sealing body is designed as a cylindrical bellows (17). Brems- und Dämpfeinrichtung nach Anspruch 14, dadurch gekennzeichnet, daß der zylindrische Balg (17) mehrere in Umfangrichtung verlaufende Rippen (24) aufweist, die an der Zylinderwand (7) dichtend anliegen.Braking and damping device according to claim 14, characterized in that the cylindrical bellows (17) has a plurality of ribs (24) extending in the circumferential direction, which lie sealingly against the cylinder wall (7). Brems- und Dämpfeinrichtung nach Anspruch 14 oder 15, dadurch gekennzeichnet, daß der Balg (17) eine hydraulische Flüssigkeit enthält.Braking and damping device according to claim 14 or 15, characterized in that the bellows (17) contains a hydraulic fluid. Brems- und Dämpfeinrichtung nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß zwischen den zwei Kolben (2, 5) eine Druckfeder (31) eingesetzt ist.Braking and damping device according to one of claims 1 to 16, characterized in that a compression spring (31) is inserted between the two pistons (2, 5). Brems- und Dämpfeinrichtung nach einem der Ansprüche 14 bis 17, dadurch gekennzeichnet, daß der Balg (17) in den Kolben (2, 5) mit Formschluß verankert ist.Braking and damping device according to one of claims 14 to 17, characterized in that the bellows (17) is anchored in the piston (2, 5) with positive locking. Brems- und Dämpfeinrichtung nach Anspruch 13, dadurch gekennzeichnet, daß die Kolben (2, 5) stirnseitige Aussparungen (26) aufweisen, in denen Vorsprünge (27) des verformbaren Dichtungskörpers aufgenommen sind.Braking and damping device according to claim 13, characterized in that the pistons (2, 5) have end-side recesses (26) in which projections (27) of the deformable sealing body are received.
    EP01129927A 2001-01-09 2001-12-17 Braking and damping device, in particular for moving furniture parts Expired - Lifetime EP1221559B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    DE20122569U DE20122569U1 (en) 2001-01-09 2001-12-17 Pneumatic braking and damping device for movable parts of furniture e.g. drawer, includes elastically deformable sealing ring between linearly displaceable pistons

    Applications Claiming Priority (4)

    Application Number Priority Date Filing Date Title
    AT142001U 2001-01-09
    AT0001401U AT4912U1 (en) 2001-01-09 2001-01-09 PNEUMATIC BRAKE AND DAMPING DEVICE FOR MOVABLE FURNITURE PARTS
    AT0059101A AT414033B (en) 2001-01-09 2001-04-12 DAMPERS, ESPECIALLY FOR FURNITURE
    AT5912001 2001-04-12

    Publications (3)

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    EP1221559A2 true EP1221559A2 (en) 2002-07-10
    EP1221559A3 EP1221559A3 (en) 2003-05-07
    EP1221559B1 EP1221559B1 (en) 2006-06-21

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    EP (1) EP1221559B1 (en)
    JP (2) JP2002286076A (en)
    CN (1) CN1248623C (en)
    AT (2) AT414033B (en)
    BR (1) BR0200031B1 (en)
    DE (1) DE50110239D1 (en)
    ES (1) ES2266082T3 (en)

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    BR0200031A (en) 2002-10-22
    JP2008116051A (en) 2008-05-22
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    EP1221559A3 (en) 2003-05-07
    US20020088677A1 (en) 2002-07-11
    ES2266082T3 (en) 2007-03-01
    EP1221559B1 (en) 2006-06-21
    ATA5912001A (en) 2005-11-15
    ATE331157T1 (en) 2006-07-15
    AT414033B (en) 2006-08-15
    CN1248623C (en) 2006-04-05
    BR0200031B1 (en) 2010-09-08
    US7100907B2 (en) 2006-09-05
    DE50110239D1 (en) 2006-08-03

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